10531656020 has 12 divisors (see below), whose sum is σ = 22116477684. Its totient is φ = 4212662400.

The previous prime is 10531656017. The next prime is 10531656029. The reversal of 10531656020 is 2065613501.

10531656020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2772864964 + 7758791056 = 52658^2 + 88084^2 .

It is a super-2 number, since 2×10531656020² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10531656029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263291381 + ... + 263291420.

It is an arithmetic number, because the mean of its divisors is an integer number (1843039807).

Almost surely, 2^10531656020 is an apocalyptic number.

10531656020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10531656020 is an abundant number, since it is smaller than the sum of its proper divisors (11584821664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10531656020 is a wasteful number, since it uses less digits than its factorization.

10531656020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526582810 (or 526582808 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 10531656020 in words is "ten billion, five hundred thirty-one million, six hundred fifty-six thousand, twenty".